A Hundred Miles or More carries the subtitle A Collection, and what a curious collection it is--cuts from soundtracks, side projects, and tribute albums, plus guest duets on other artists' albums and five previously unreleased tracks. In other words, this is a collection of Alison Krauss performances that have never appeared on an Alison Krauss album, though it holds together better than such a grab-bag approach might suggest. Highlights such as her duet with Brad Paisley on "Whiskey Lullaby" and her a cappella rendition of "Down to the River to Pray" from O Brother, Where Art Thou? will be familiar to most Krauss fans, though it's doubtful that many share her infatuation with retro rocker John Waite (with whom she revives his "Missing You" and duets on a cover of Don Williams's "Lay Down Beside Me."). Other projects represented range from Disney to the Chieftains to the Louvin Brothers (she duets with James Taylor on their "How's the World Treating You." There's minimal contribution from her Union Station band--making this a solo release by default--and little information to indicate whether the previously unreleased tracks were outtakes from earlier releases or recently recorded for this one